package com.atguigu.java2;

/*
 * 如何自定义异常类？
 * 1. 继承于现有的异常结构：RuntimeException 、Exception
 * 2. 提供全局常量：serialVersionUID
 * 3. 提供重载的构造器
 */
public class MyException extends Exception {
    static final long serialVersionUID = -7034897193246939L;

    public MyException() {
    }

    public MyException(String msg) {
        super(msg);
    }
}
